<template>
  <div>
    <!-- 整个容器   -->
    <el-container>
      <!--上半部分：顶栏-->
      <el-header class="layout-header">
        <!--显示当前登陆的用户信息-->
        <div class="login-user">
          <span class="welcome">欢迎回来，root!</span>
          <el-dropdown>
            <el-avatar size="small" src="https://cube.elemecdn.com/3/7c/3ea6beec64369c2642b92c6726f1epng.png"></el-avatar>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item icon="el-icon-plus">修改资料</el-dropdown-item>
              <el-dropdown-item icon="el-icon-circle-plus">修改头像</el-dropdown-item>
              <el-dropdown-item icon="el-icon-circle-plus-outline">修改密码</el-dropdown-item>
              <el-dropdown-item icon="el-icon-check" divided>退出登录</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
        <!--左侧的标题文字-->
        <h1>酷鲨商城运营管理平台</h1>

      </el-header>
      <!--下半部分-->
      <el-container class="layout-body">
        <!--下半部分左侧：侧边栏-->
        <el-aside class="layout-aside">
            <!-- $router，代表你点击某个菜单的路由， currentRoute：当前路由，path：路径
                    你点击哪个菜单，就获取哪个菜单的路由-->
          <el-menu
              :default-active="activeMenuItemPath"
              class="el-menu-vertical-demo"
              background-color="#222"
              text-color="#fff"
              active-text-color="#fff"
              router="true">
            <!-- 首页 -->
            <el-menu-item index="1">
              <i class="el-icon-menu"></i>
              <span  slot="title">首页</span>
            </el-menu-item>
            <!-- 商品管理-->
            <el-submenu index="2">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>商品管理</span>
              </template>
                <el-menu-item index="2-1">
                  <i class="el-icon-menu"></i>
                  <span  slot="title">SPU台账</span>
                </el-menu-item>
                <el-menu-item index="2-2">
                  <i class="el-icon-menu"></i>
                  <span  slot="title">新增SPU</span>
                </el-menu-item>
                <el-menu-item index="/sys-admin/product/album">
                  <i class="el-icon-menu"></i>
                  <span  slot="title">相册管理</span>
                </el-menu-item>
                <el-menu-item index="/sys-admin/product/category">
                  <i class="el-icon-menu"></i>
                  <span  slot="title">商品类别</span>
                </el-menu-item>
              <el-menu-item index="2-5">
                <i class="el-icon-menu"></i>
                <span  slot="title">属性模板</span>
              </el-menu-item>
              <el-menu-item index="2-6">
                <i class="el-icon-menu"></i>
                <span  slot="title">属性管理</span>
              </el-menu-item>
              <el-menu-item index="2-7">
                <i class="el-icon-menu"></i>
                <span  slot="title">品牌管理</span>
              </el-menu-item>
            </el-submenu>
            <!-- 订单管理-->
            <el-submenu index="3">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>订单管理</span>
              </template>
              <el-menu-item index="3-1" disabled>
                <i class="el-icon-menu"></i>
                <span  slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!-- 营销管理-->
            <el-submenu index="4">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>营销管理</span>
              </template>
              <el-menu-item index="4-1" disabled>
                <i class="el-icon-menu"></i>
                <span  slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!-- 商家管理-->
            <el-submenu index="5">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>商家管理</span>
              </template>
              <el-menu-item index="5-1" disabled>
                <i class="el-icon-menu"></i>
                <span  slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!-- 权限管理-->
            <el-submenu index="6">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>权限管理</span>
              </template>
              <el-menu-item index="/sys-admin/permission/admin" >
                <i class="el-icon-menu"></i>
                <span  slot="title">管理员管理</span>
              </el-menu-item>
            </el-submenu>
          </el-menu>

        </el-aside>
        <!--下半部分右侧：主体-->
        <el-main class="layout-main">
            <!--这里将由其他视图组件来显示  -->
           <router-view/>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
export default {
  data() {
    return {
      activeMenuItemPath:''
    };
  },
  methods: {
     handleActiveMenuItem(){
       let currentPath = this.$router.currentRoute.path;
       //sys-admin/product/album/add-new
       //sys-admin/product/album
       if(currentPath.startsWith("sys-admin/product/album")){
         this.activeMenuItemPath = "sys-admin/product/album";
       }
       if(currentPath.startsWith("sys-admin/permission/admin")){
         this.activeMenuItemPath = "sys-admin/permission/admin";
       }
     }
  },
  created() {
      this.handleActiveMenuItem();
  }
}
</script>





<style>

.layout-header{
  background: #1684B0;
}

.layout-header h1{
  line-height: 60px;
  color: #fff;
}

.layout-header .login-user{
  float: right;
  display: flex;
  margin-top: 16px;
}
.layout-header .login-user .welcome{
  line-height: 28px;
  color: #fff;
}


.layout-body{

  position: absolute;
  top:60px;
  bottom: 0;
  left: 0;
  right: 0;
}
.layout-aside{
  background: #222;
}

.layout-aside i{
  color: #fff !important;
}

.el-menu-item.is-active{
  background: #2c3e50 !important;
}

.layout-main{

}

</style>